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The fish swim around the colorful reef.
A ridge of rock or coral in the sea, often near the surface.
The diver explored the vibrant reef.
Coral reefs are home to many species of fish.
We saw a beautiful reef while snorkeling.
coral reef
barrier reef
marine reef
coral formation
rock formation
underwater ridge
The sailor decided to reef the sail during the storm.
To reduce the area of a sail by folding or rolling it.
He had to reef the sail to avoid capsizing.
The captain instructed the crew to reef the sail quickly.
As the wind picked up, they decided to reef the sail for safety.
reef the sail
reefing the sail
easily reef the sail
reduce
trim
diminish